M. Taub: The Respiratory System

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Across
  1. 2. prevents food from entering the trachea
  2. 4. bones protecting the lungs
  3. 7. a muscle that helps with breathing
  4. 9. the trachea splits into the left and right ____
  5. 10. 🫁
  6. 12. the scientific name for "throat"
  7. 13. includes both the mouth and the nose
  8. 15. the gas that we breath in
  9. 16. the "little sacs" where gas exchange happens
  10. 17. these cells produce mucus
  11. 18. when we breathe out
Down
  1. 1. the smallest, thinnest type of blood vessel
  2. 3. oxygen moves from high concentration to low concentration
  3. 5. the gas that we breath out
  4. 6. the bronchuss splits into smaller branches called ____
  5. 8. sweep mucus out of the lungs (hair like)
  6. 11. the scientific name for "windpipe"
  7. 14. when we breathe in